121104554151 has 32 divisors (see below), whose sum is σ = 201698684928. Its totient is φ = 63030827520.

The previous prime is 121104554147. The next prime is 121104554171. The reversal of 121104554151 is 151455401121.

It is not a de Polignac number, because 121104554151 - 2² = 121104554147 is a prime.

It is a super-2 number, since 2×121104554151² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121104554101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5460360 + ... + 5482493.

It is an arithmetic number, because the mean of its divisors is an integer number (6303083904).

Almost surely, 2^121104554151 is an apocalyptic number.

121104554151 is a deficient number, since it is larger than the sum of its proper divisors (80594130777).

121104554151 is a wasteful number, since it uses less digits than its factorization.

121104554151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10942911.

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 121104554151 its reverse (151455401121), we get a palindrome (272559955272).

The spelling of 121104554151 in words is "one hundred twenty-one billion, one hundred four million, five hundred fifty-four thousand, one hundred fifty-one".